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<h1 style='font-family: Malgun Gothic, Consolas; font-size: 20pt; color: #006699; text-align: center; font-weight: bold'>"Visual Studio Enterprise is required to execute the test." 메시지와 관련된 코드 기록</h1>

지난 글에서, 
 
<pre style='margin: 10px 0px 10px 10px; padding: 10px 0px 10px 10px; background-color: #fbedbb; overflow: auto; font-family: Consolas, Verdana;' >
mstest.exe 실행 시 "Visual Studio Enterprise is required to execute the test." 오류
; <a target='tab' href='http://www.sysnet.pe.kr/2/0/11886'>http://www.sysnet.pe.kr/2/0/11886</a>
</pre>
 
"Visual Studio Enterprise"가 설치되어 있는데도 "Visual Studio Enterprise is required to execute the test." 오류 메시지가 발생하는 상황을 설명했는데요, 그때의 스택 트레이스를 보면 다음과 같습니다. 
 
<pre style='margin: 10px 0px 10px 10px; padding: 10px 0px 10px 10px; background-color: #fbedbb; overflow: auto; font-family: Consolas, Verdana;' >
(mstest.exe, PID 24268, Thread 21) ControllerExecution: Received exception calling InitializePlugin for test e77946db-2d9f-4453-b207-e1e3f83f7784: Microsoft.VisualStudio.TestTools.WebStress.LoadTestLicenseViolationException: Visual Studio Enterprise is required to execute the test.
 at Microsoft.VisualStudio.TestTools.WebStress.LoadTestUserLicenseManager.CheckForLoadTestExecution()
 at Microsoft.VisualStudio.TestTools.WebStress.LoadTestResultsCollector.Initialize(TestRun testRun, String[] agentNames)
 at Microsoft.VisualStudio.TestTools.WebStress.LoadTestControllerPlugin.Initialize(IControllerContext testContext)
 at Microsoft.VisualStudio.TestTools.Controller.ControllerPluginManager.InitializePlugin(Guid executionId)
 at Microsoft.VisualStudio.TestTools.Controller.ControllerExecution.SignalSyncStart(Object state)
</pre>
 
이와 관련된 소스 코드들의 추적을 기록 차원에서 남깁니다. 
 
<hr style='width: 50%' /> 
 
<pre style='margin: 10px 0px 10px 10px; padding: 10px 0px 10px 10px; background-color: #fbedbb; overflow: auto; font-family: Consolas, Verdana;' >
// C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\Common7\IDE\PrivateAssemblies\Microsoft.VisualStudio.QualityTools.ControllerObject.dll
// Microsoft.VisualStudio.QualityTools.ControllerObject, Version=16.0.0.0

internal class ControllerPluginManager
{
    // Fields
    private Dictionary&lt;Guid, ControllerPlugin&gt; m_plugins;

// Methods
    public ControllerPluginManager();
    public void CleanupPlugins();
    public void CleanupTest(Guid execId);
    public static IControllerPlugin CreateControllerPlugin(ITestElement testElement);
    public static void DeleteTestRun(Guid guidTestRunId, IExecutionRunConfiguration runConfig, ControllerInformation controllerInformation);
    public IControllerPlugin FindPlugin(Guid executionId);
    public void InitializePlugin(Guid executionId)
    {
        ControllerPlugin plugin;
        if (this.m_plugins.TryGetValue(executionId, out plugin) &amp;&amp; (plugin != null))
        {
            ControllerPlugin plugin2 = plugin;
            lock (plugin2)
            {
                if (plugin.Initialized)
                {
                    return;
                }
                plugin.Initialized = true;
            }
            EqtTrace.Info("ControllerPluginManager: Calling Initialize on ControllerPlugin for test " + executionId.ToString());
            plugin.Plugin.Initialize(plugin.Context);
            EqtTrace.Info("ControllerPluginManager: Calling TestAgentsReady on ControllerPlugin for test " + executionId.ToString());
            plugin.Plugin.TestAgentsReady(plugin.Context.AgentNames);
        }
    }

public IControllerPlugin LoadPlugin(ControllerExecution execution, ITestElement testElement);
 public void SetMessageSinkBad(Guid executionId);
}
</pre>
 
<pre style='margin: 10px 0px 10px 10px; padding: 10px 0px 10px 10px; background-color: #fbedbb; overflow: auto; font-family: Consolas, Verdana;' >
// Microsoft.VisualStudio.QualityTools.LoadTest, Version=16.0.0.0 
// C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\Common7\IDE\PrivateAssemblies

internal class LoadTestResultsCollector : ICounterProvider
{
    // ...[생략]...

public LoadTestResultsCollector(WebTestSuite suite, LoadTestIntervalCallback intervalDataCallback, LoadTestResultsCollectorStatusCallback statusCallback, IControllerContext controllerContext)
    {
        // ...[생략]...
        this.m_suite = suite;
        // ...[생략]...
    }
    
    public void Initialize(TestRun testRun, string[] agentNames)
    {
        // ...[생략]...
        this.m_licenseManager = new LoadTestUserLicenseManager(this.m_suite.AvailableFeatures, isRemote);
        try
        {
            this.m_licenseManager.CheckForLoadTestExecution();
            this.m_licenseManager.CheckForRemoteExecution();
            this.m_licenseManager.CheckUserCountForLoadTest((long) this.m_suite.GetMaximumUserLoad());
        }
        catch (LoadTestLicenseViolationException exception4)
        {
            this.ProcessException(exception4, this.m_counterWriter &gt; null, false);
            throw;
        }

// ...[생략]...
    }

internal class LoadTestControllerPlugin : IControllerPlugin
    {
        public void Initialize(IControllerContext testContext)
        {
            CheapDateTime.Initialize();
            this.m_context = testContext;
            this.m_suite = this.m_context.get_TestElement();
            // ...[생략]...
        }
    }

// ...[생략]...
}

internal class LoadTestUserLicenseManager
{
    // Fields
    private LoadTestFeature m_allowedFeatures;
    private bool m_isRemote;

// Methods
    internal LoadTestUserLicenseManager(LoadTestFeature allowedFeatures, bool isRemote)
    {
        this.m_allowedFeatures = allowedFeatures;
        this.m_isRemote = isRemote;
    }
    
    public void CheckForLoadTestExecution()
    {
        if ((this.m_allowedFeatures &amp; 4) == null)
        {
            WebTestLoadTrace.Warning("LoadTestResultsCollector.Initialize(): MaxAllowedVUsers is 0.");
            LoadTestLicenseViolationException exception = new LoadTestLicenseViolationException((string) Messages.WebLoadTestExecution_NoLicenseShort);
            throw exception;
        }
    }
 
    public void CheckForRemoteExecution();
    public void CheckUserCountForLoadTest(long userLoad);
}

[CompilerGenerated, TypeIdentifier("A94BC0A0-5884-4D45-8C9E-D9BF9CA0C99A", "Microsoft.VisualStudio.LicenseManagement.Interop._VSSKUEdition")]
public enum _VSSKUEdition
{
    VSEDITION_UNKNOWN,
    VSEDITION_IntShell,
    VSEDITION_Professional,
    VSEDITION_Premium,
    VSEDITION_Ultimate
}

internal class LicenseHandler // Microsoft.VisualStudio.TestTools.WebStress
{
 // Methods
 public LicenseHandler()
 {
 try
 {
 this.InitializeLoadTestLicenseInfo();
 }
 catch (Exception exception)
 {
 /*
 "<a target='tab' href='http://www.sysnet.pe.kr/2/0/11886'>mstest.exe 실행 시 "Visual Studio Enterprise is required to execute the test." 오류</a>" 글에서 설명한 "Microsoft.VisualStudio.Threading" 로딩 예외의 기록이 여기서 발생한 것입니다.
 
 */
 WebTestLoadTrace.Verbose("LicenseHandler(): Failed to Initialize LoadTestLicense Info: " + exception.ToString());
 }
 }

[MethodImpl(MethodImplOptions.NoInlining)]
    private void InitializeLoadTestLicenseInfo()
    {
        IVsLicensingState state = VsLicensingStateInitializationHelpers.CreateIVsLicensingStateForOnlineLicensingSKU(OnlineLicensingSKUs.VisualStudio);
        _VSSKUEdition vsEdition = (_VSSKUEdition) state.GetVsEdition();
        WebTestLoadTrace.Verbose("LicenseHandler.InitializeLoadTestLicenseInfo(): skuEdition: " + vsEdition);
        this.IsLicensedForLoadTest = vsEdition == _VSSKUEdition.VSEDITION_Ultimate;
        if (!this.IsLicensedForLoadTest)
        {
            WebTestLoadTrace.Error("LicenseHandler.InitializeLoadTestLicenseInfo(): Failed to Initialize LoadTestLicense Info. Sku is not ultimate");
        }
        else
        {
            IVsClientRights clientRights = null;
            state.RefreshClientRights();
            state.ValidateClientRights(out clientRights, null);
            this.UpdateLicensingInformation(clientRights);
        }
    }

private void UpdateLicensingInformation(IVsClientRights clientRights)
    {
        if (clientRights == null)
        {
            WebTestLoadTrace.Error("LicenseHandler.UpdateLicensingInformation(): unable to fetch clientRights ");
        }
        else if (!clientRights.IsLicenseGood)
        {
            WebTestLoadTrace.Error("LicenseHandler.UpdateLicensingInformation(): clientrights' license is not valid.");
        }
        else
        {
            this.AvailableFeatures = 4;
            _VSLicenseType licenseType = (_VSLicenseType) clientRights.LicenseType;
            this.IsLicensedForAllLoadTestFeatures = ((this.IsLicensedForLoadTest &amp;&amp; (licenseType != _VSLicenseType.VSLICTYPE_UNKNOWN)) &amp;&amp; ((licenseType != _VSLicenseType.VSLICTYPE_TrialPID) &amp;&amp; (licenseType != _VSLicenseType.VSLICTYPE_VSExtensionTrial))) &amp;&amp; (licenseType != _VSLicenseType.VSLICTYPE_PrereleaseTrialPID);
            WebTestLoadTrace.Verbose("LicenseHandler.UpdateLicensingInformation(): licenseType: " + licenseType);
            if (this.IsLicensedForAllLoadTestFeatures)
            {
                this.AvailableFeatures |= 8;
                this.AvailableFeatures |= 0x20;
            }
        }
    }

// Properties
 public LoadTestFeature AvailableFeatures { get; [CompilerGenerated] private set; }
 public bool IsLicensedForAllLoadTestFeatures { get; [CompilerGenerated] private set; }
 public bool IsLicensedForLoadTest { get; [CompilerGenerated] private set; }
}
</pre>
 
<pre style='margin: 10px 0px 10px 10px; padding: 10px 0px 10px 10px; background-color: #fbedbb; overflow: auto; font-family: Consolas, Verdana;' >
// C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\Common7\IDE\PrivateAssemblies\
// Microsoft.VisualStudio.Shell.Connected, Version=16.0.0.0

public enum OnlineLicensingSKUs
{
    VisualStudio,
    VSWinExpress,
    VWDExpress,
    WDExpress
}

public static class VsLicensingStateInitializationHelpers
{
    // Fields
    private const string InstallDirValueName = "InstallDir";

// Methods
    public static IVsLicensingState CreateIVsLicensingStateForOnlineLicensingSKU(OnlineLicensingSKUs sku)
    {
        IVsClientRightsTokenCacheManager clientRightsTokenCacheManager = new VsClientRightsTokenCacheManager();
        IVsLicensingState state = new VsLicensingState();
        if (state != null)
        {
            IVsLicensingStateInitialize initialize = (IVsLicensingStateInitialize) state;
            Guid subscriptionLicenseId = new Guid(sku.LicenseId());
            initialize.InitializeForPidAndOnlineLicensing(null, (int) sku.ProductFamily(), ref subscriptionLicenseId, sku.RightsName(), sku.RegistryRoot(), clientRightsTokenCacheManager, null);
        }
        return state;
    }

public static IVsLicensingState CreateIVsLicensingStateForPidLicensedSKU(_VSPIDFamily pidFamily);
    public static string GetVisualStudioInstallPath();
}

public static class VsLicensingStateInitializationConstants
{
    // Methods
    public static string LicenseId(this OnlineLicensingSKUs sku)
    {
        switch (sku)
        {
            case OnlineLicensingSKUs.VisualStudio:
                return "715f10eb-9e99-11d2-bfc2-00c04f990235";

case OnlineLicensingSKUs.VSWinExpress:
                return "E16EC553-041C-403A-A275-958469FCDE74";

case OnlineLicensingSKUs.VWDExpress:
                return "68CBDD3E-C6BC-4d26-84B6-6411EA3C327A";

case OnlineLicensingSKUs.WDExpress:
                return "971DCC97-7904-4F36-9744-D21D39B557B3";
        }
        throw new ArgumentException("Invalid sku type for LicenseIds");
    }

public static _VSPIDFamily ProductFamily(this OnlineLicensingSKUs sku)
    {
        switch (sku)
        {
            case OnlineLicensingSKUs.VisualStudio:
                return _VSPIDFamily.VSPID_GROUP_VS;

case OnlineLicensingSKUs.VSWinExpress:
                return _VSPIDFamily.VSPID_GROUP_VSWIN;

case OnlineLicensingSKUs.VWDExpress:
                return _VSPIDFamily.VSPID_GROUP_VWD;

case OnlineLicensingSKUs.WDExpress:
                return _VSPIDFamily.VSPID_GROUP_V1;
        }
        throw new ArgumentException("Invalid sku type for ProductFamily");
    }

public static string RegistryRoot(this OnlineLicensingSKUs sku) =&gt; 
        Path.Combine(@"Software\Microsoft", sku.RightsName(), VSGeneralVersion);

public static string RightsName(this OnlineLicensingSKUs sku)
    {
        switch (sku)
        {
            case OnlineLicensingSKUs.VisualStudio:
                return "VisualStudio";

case OnlineLicensingSKUs.VSWinExpress:
                return "VSWinExpress";

case OnlineLicensingSKUs.VWDExpress:
                return "VWDExpress";

case OnlineLicensingSKUs.WDExpress:
 return "WDExpress";
 }
 throw new ArgumentException("Invalid sku type for RightsName");
 }
 
 // Properties
 public static string VSGeneralVersion =&gt; "16.0";
}
</pre>
 
<pre style='margin: 10px 0px 10px 10px; padding: 10px 0px 10px 10px; background-color: #fbedbb; overflow: auto; font-family: Consolas, Verdana;' >
// C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\Common7\IDE
// Microsoft.VisualStudio.ProductKeyDialog.dll

public class VsLicensingState : IVsLicensingState, IVsLicensingStateInitialize2, IVsLicensingStateInitialize, IVsCurrentVsEdition
{
    // ...[생략]...
    private VsClientRightsToken GetUserClientRightTokens(VisualStudioLicenseSource source);

public int GetVsEdition() =&gt; ((int) ProductLicensingUtilities.MapToVSSKUEdition((_VSSKUEdition2) this.CurrentVsEdition));

[AsyncStateMachine(typeof(&lt;InitializeAsync&gt;d__30))]
    private Task InitializeAsync(JoinableTaskContext joinableTaskContext, int productFamily, bool isSubscriptionAware, Guid subscriptionLicenseId, string subscriptionRightsName, string registryRoot, IVsClientRightsTokenCacheManager vsClientRightsTokenCacheManager, IVsOnlineLicensingManager onlineLicensingManager);

public void InitializeForPidAndOnlineLicensing(object joinableTaskContext, int productFamily, ref Guid subscriptionLicenseId, string subscriptionRightsName, string registryRoot, IVsClientRightsTokenCacheManager clientRightsTokenCacheManager, IVsOnlineLicensingManager onlineLicensingManager)
    {
        JoinableTaskContext jtc = ((JoinableTaskContext) joinableTaskContext) ?? this.CreateJoinableTaskContext();
        Guid subscriptionLicenseIdLocal = subscriptionLicenseId;
        jtc.Factory.Run(() =&gt; this.InitializeForPidAndOnlineLicensingAsync(jtc, productFamily, subscriptionLicenseIdLocal, subscriptionRightsName, registryRoot, clientRightsTokenCacheManager, onlineLicensingManager));
    }
 
    public Task InitializeForPidAndOnlineLicensingAsync(JoinableTaskContext joinableTaskContext, int productFamily, Guid subscriptionLicenseId, string subscriptionRightsName, string registryRoot, IVsClientRightsTokenCacheManager clientRightsTokenCacheManager, IVsOnlineLicensingManager onlineLicensingManager) =&gt; 
        this.InitializeAsync(joinableTaskContext, productFamily, true, subscriptionLicenseId, subscriptionRightsName, registryRoot, clientRightsTokenCacheManager, onlineLicensingManager);

public void InitializeForPidLicensingOnly(object joinableTaskContext, int productFamily, IVsOnlineLicensingManager onlineLicensingManager);
    public Task InitializeForPidLicensingOnlyAsync(JoinableTaskContext joinableTaskContext, int productFamily, IVsOnlineLicensingManager onlineLicensingManager);
    // ...[생략]...
}

internal static class ProductLicensingUtilities
{
    // Methods
    internal static bool EqualsDateTimeMax(DateTimeOffset expirationDate);
    internal static int GetMPCofCurrentVSInstance(IVsOnlineOperationLogger logger = null);
    internal static _VSSKUEdition2 GetVSSKUEditionFromSubscriptionFamilyLevel(string subscriptionFamilyLevel);

internal static _VSSKUEdition MapToVSSKUEdition(_VSSKUEdition2 skuEdition2)
    {
        if (skuEdition2 &lt;= _VSSKUEdition2.VSEDITION2_IntShell)
        {
            if (skuEdition2 == _VSSKUEdition2.VSEDITION2_UNKNOWN)
            {
                goto Label_0029;
            }
            if (skuEdition2 == _VSSKUEdition2.VSEDITION2_IntShell)
            {
                return _VSSKUEdition.VSEDITION_IntShell;
            }
            goto Label_0031;
        }
        if (skuEdition2 != _VSSKUEdition2.VSEDITION2_Community)
        {
            if (skuEdition2 == _VSSKUEdition2.VSEDITION2_Professional)
            {
                return _VSSKUEdition.VSEDITION_Professional;
            }
            if (skuEdition2 == _VSSKUEdition2.VSEDITION2_Ultimate)
            {
                return _VSSKUEdition.VSEDITION_Ultimate;
            }
            goto Label_0031;
        }
    Label_0029:
        return _VSSKUEdition.VSEDITION_UNKNOWN;
    Label_0031:
        return _VSSKUEdition.VSEDITION_UNKNOWN;
    }

internal static string TrimPrefix(this string s, string prefix);
}
</pre> 
 
<hr style='width: 50%' /> 
 
mstest.exe의 라이선스와 관련해 문제가 발생하면 위의 소스 코드에서 "WebTestLoadTrace"로 남겨지는 로그들을 함께 추적해 보면 원인을 추적할 수 있습니다. 한 가지 위의 소스 코드를 통해 알 수 있었던 재미있는 점은, Ultimate 에디션의 경우 명칭은 사라졌지만 결국 Enterprise의 내부 이름으로 남아 있다는 것입니다. 
 
마지막으로, 실제적인 라이선스 체크는 PInvoke를 통한 내부 C/C++ 함수로 호출이 된다는 점!

<hr />[이 글에 대해서 여러분들과 의견을 공유하고 싶습니다. 틀리거나 미흡한 부분 또는 의문 사항이 있으시면 언제든 댓글 남겨주십시오.]

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